{"id":783,"date":"2025-08-29T09:20:46","date_gmt":"2025-08-29T09:20:46","guid":{"rendered":"https:\/\/cnkuangya.com\/?post_type=product&#038;p=783"},"modified":"2025-08-31T06:41:59","modified_gmt":"2025-08-31T06:41:59","slug":"dc-switch-disconnector-l1","status":"publish","type":"product","link":"https:\/\/cnkuangya.com\/ar\/product\/dc-switch-disconnector-l1\/","title":{"rendered":"L1 Series DC Switch Disconnector | Black Handle Push-Lock"},"content":{"rendered":"<div class=\"product-description\">\n<h2>\u0644\u0645\u062d\u0629 \u0639\u0627\u0645\u0629<\/h2>\n<p>\u0625\u0646 <strong>dc fuse switch disconnector<\/strong> L1 series is designed for <a href=\"\/ar\/pv-combiner-box\/\">\u0635\u0646\u0627\u062f\u064a\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/a>,<br \/>\ninverter DC inputs and <a href=\"\/ar\/dc-photovoltaic-protection\/\">DC panels<\/a>.<br \/>\n\u0645\u0635\u0646\u0641\u0629 \u062d\u062a\u0649 <strong>1200VDC<\/strong> and available in <strong>2P and 4P<\/strong> versions,<br \/>\nit provides safe and visible isolation of photovoltaic circuits.<br \/>\nThe L1 features a **black rotary handle** with a <em>push-to-lock<\/em> mechanism, ensuring secure disconnection during installation and maintenance.<\/p>\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<ul>\n<li><strong>DIN-rail mounted dc fuse switch disconnector<\/strong>, compact IP20 design<\/li>\n<li>Black handle with push-lock safety function<\/li>\n<li>Available in 2-pole and 4-pole versions, polarity-free wiring<\/li>\n<li>Voltage ratings: 300 \/ 600 \/ 800 \/ 1000 \/ 1200 VDC<\/li>\n<li>Current ratings: 16A \/ 25A \/ 32A<\/li>\n<li>Withstand: 1 kA, 1s short-time; 8.0 kV impulse<\/li>\n<li>Service life: 18k mechanical \/ 2k electrical operations<\/li>\n<li>Standard: <a href=\"https:\/\/webstore.iec.ch\/publication\/26113\" target=\"_blank\" rel=\"dofollow noopener\">IEC 60947-3<\/a><\/li>\n<\/ul>\n<h2>\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/h2>\n<table>\n<tbody>\n<tr>\n<td>Function<\/td>\n<td>Isolator, Control<\/td>\n<\/tr>\n<tr>\n<td>Pole options<\/td>\n<td>2 \u0641-2\/\u0641-4<\/td>\n<\/tr>\n<tr>\n<td>Rated operational voltage (Ue)<\/td>\n<td>300\u20131200 VDC<\/td>\n<\/tr>\n<tr>\n<td>Rated insulation voltage (Ui)<\/td>\n<td>1200 VDC<\/td>\n<\/tr>\n<tr>\n<td>Short-time withstand current (Icw)<\/td>\n<td>1 kA, 1 s<\/td>\n<\/tr>\n<tr>\n<td>\u062c\u0647\u062f \u0627\u0644\u0635\u0645\u0648\u062f \u0627\u0644\u0646\u0628\u0636\u064a (Uimp)<\/td>\n<td>8.0 kV<\/td>\n<\/tr>\n<tr>\n<td>Ingress protection<\/td>\n<td>IP20<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u062d\u0645\u0644<\/td>\n<td>18,000 mechanical \/ 2,000 electrical<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Rated Voltage \/ Current<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u0627\u0644\u0646\u0648\u0639<\/th>\n<th>300V<\/th>\n<th>600V<\/th>\n<th>800V<\/th>\n<th>1000V<\/th>\n<th>1200V<\/th>\n<\/tr>\n<tr>\n<td>FMPV16-L1<\/td>\n<td>16A<\/td>\n<td>16A<\/td>\n<td>12A<\/td>\n<td>8A<\/td>\n<td>6A<\/td>\n<\/tr>\n<tr>\n<td>FMPV25-L1<\/td>\n<td>25A<\/td>\n<td>25A<\/td>\n<td>15A<\/td>\n<td>9A<\/td>\n<td>7A<\/td>\n<\/tr>\n<tr>\n<td>FMPV32-L1<\/td>\n<td>32A<\/td>\n<td>32A<\/td>\n<td>17A<\/td>\n<td>10A<\/td>\n<td>8A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Switching Configurations<\/h2>\n<ul>\n<li>2P \u2013 isolate one PV string<\/li>\n<li>4P \u2013 isolate dual strings<\/li>\n<li>4T \/ 4B \/ 4S \u2013 4 poles in series with flexible wiring<\/li>\n<li>2H \u2013 paralleled poles for higher current<\/li>\n<\/ul>\n<h2>\u0627\u0644\u0623\u0628\u0639\u0627\u062f<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-784\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/L1-switch-disconnector-300x165.png\" alt=\"dc fuse switch disconnector dimension\" width=\"622\" height=\"342\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/L1-switch-disconnector-300x165.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/L1-switch-disconnector-600x329.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/L1-switch-disconnector.png 747w\" sizes=\"auto, (max-width: 622px) 100vw, 622px\" \/><\/p>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<p>The L1 <strong>dc fuse switch disconnector<\/strong> is widely used in PV combiner boxes, inverter terminals,<br \/>\n\u0648 <a href=\"\/ar\/dc-photovoltaic-protection\/\">DC distribution panels<\/a>.<br \/>\nFor outdoor applications, see <a href=\"\/ar\/elr2-dc-switch-disconnector-1200v\/\">ELR2 Series<\/a>.<br \/>\nCombine with <a href=\"\/ar\/dc-fuse\/\">\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/a> \u0648 <a href=\"\/ar\/dc-spd\/\">DC surge protectors<\/a> for full PV protection.<\/p>\n<\/div>\n<h2>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<p><strong>Q1: What is the L1 dc fuse switch disconnector used for?<\/strong><br \/>\nA1: The L1 is designed for safe isolation of DC circuits in PV combiner boxes, inverter inputs, and DC panels.<\/p>\n<p><strong>Q2: What are the available versions of the L1 series?<\/strong><br \/>\nA2: The L1 series is available in 2-pole (2P) and 4-pole (4P) models, supporting up to 1200VDC.<\/p>\n<p><strong>Q3: What is the handle type of L1?<\/strong><br \/>\nA3: The L1 uses a black rotary handle with a push-to-lock safety function.<\/p>\n<p><strong>Q4: What standards does L1 comply with?<\/strong><br \/>\nA4: It complies with <a href=\"https:\/\/webstore.iec.ch\/publication\/26113\" target=\"_blank\" rel=\"dofollow noopener\">IEC 60947-3<\/a>.<\/p>\n<p><strong>Q5: Is L1 polarity sensitive?<\/strong><br \/>\nA5: No, the L1 dc fuse switch disconnector is polarity-free, meaning + and \u2013 can be connected interchangeably.<\/p>\n<p><strong>Q6: What is the endurance of L1?<\/strong><br \/>\nA6: The L1 series offers 18,000 mechanical operations and 2,000 electrical operations.<\/p>\n<p><strong>Q7: Can the L1 be DIN-rail mounted?<\/strong><br \/>\nA7: Yes, it is designed for 35 mm DIN-rail installation inside panels.<\/p>\n<p><strong>Q8: What current ratings are supported?<\/strong><br \/>\nA8: L1 models support 16A, 25A, and 32A ratings depending on the variant.<\/p>\n<p><strong>Q9: What applications is the L1 most suitable for?<\/strong><br \/>\nA9: It is best for compact indoor installations such as PV combiner boxes and inverter DC inputs.<\/p>\n<p><strong>Q10: Is OEM\/ODM customization available?<\/strong><br \/>\nA10: Yes, OEM\/ODM options are available upon request.<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"664\" data-end=\"745\">\n<p data-start=\"667\" data-end=\"745\">L1 series <strong data-start=\"677\" data-end=\"708\">dc fuse switch disconnector<\/strong>, available in 2P\/4P up to 1200VDC.<\/p>\n<\/li>\n<li data-start=\"746\" data-end=\"824\">\n<p data-start=\"749\" data-end=\"824\">DIN-rail mounted, IP20, black rotary handle with <strong data-start=\"798\" data-end=\"814\">push-to-lock<\/strong> safety.<\/p>\n<\/li>\n<li data-start=\"825\" data-end=\"919\">\n<p data-start=\"828\" data-end=\"919\">IEC 60947-3 compliant; compact solution for <strong data-start=\"872\" data-end=\"893\">\u0635\u0646\u0627\u062f\u064a\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/strong> and inverter DC panels.<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":820,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[24],"product_tag":[],"class_list":{"0":"post-783","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-dc-switch-disconnector","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product\/783","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/comments?post=783"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media\/820"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media?parent=783"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_brand?post=783"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_cat?post=783"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_tag?post=783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}